/Engine/Source/Runtime/Engine/Public/Animation/AnimCurveUtils.h
Remove any curves in InOutCurve that are filtered by InFilter
template<typename CurveAllocatorType, typename CurveElementType> static void Filter ( [TBaseBlendedCurve](API\Runtime\Engine\Animation\TBaseBlendedCurve)< CurveAllocatorType, CurveElementType > & InOutCurve, const [FCurveFilter](API\Runtime\Engine\Animation\FCurveFilter) & InFilter )